build(deps): bump syn from 2.0.101 to 2.0.103

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.101 to 2.0.103.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.101...2.0.103)

---
updated-dependencies:
- dependency-name: syn
  dependency-version: 2.0.103
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -16,7 +16,7 @@ version.workspace = true
 heck = "0.5"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "2.0.101", features = ["full"] }
+syn = { version = "2.0.103", features = ["full"] }
 proc-macro-crate = "3.3"
 
 [lib]